Description
The Luth-AR Carbine Buffer Spring is a high-quality replacement spring designed specifically for .223/5.56 AR-15/M16 carbines using a standard M4-type collapsible buffer tube. Manufactured from durable 631 stainless steel, this spring ensures smooth, reliable cycling and consistent performance while resisting corrosion and fatigue over thousands of rounds.
With 37 coils and a free length of 10-3/4 inches, it provides the ideal tension and compression characteristics for proper function with standard carbine buffers and stocks. A perfect upgrade or replacement part to restore reliable operation in your AR-15.
Features
- Precision-wound 631 stainless steel construction for strength and corrosion resistance
- 37 coils with 10-3/4″ free length optimized for carbine buffer systems
- Designed for .223/5.56 AR-15/M16 carbines with M4-style receiver extensions
- Ensures smooth bolt carrier group operation and reliable feeding
- Direct replacement for factory carbine buffer springs
- Durable enough for high-round-count training and duty use
- Proudly made in the USA by Luth-AR
